This park was established in nineteen twenty-six in an effort to protect the wildlife of South Africa.

VOA: special.2009.08.19

This is more well-established question of nurture, in terms of moving away from the way we normally teach to what is clearly more effective way.

这更是一种,培养方法问题，从我们平常的教学方法,转移到,明确的更有效的方法。

麻省理工公开课 - 媒体、教育、市场课程节选

So according to Exodus, this Passover ritual was established on Israel's last night of slavery while the angel of death passed over the dwellings that were marked with blood.

根据《出埃及记》记载，犹太人的逾越节,诞生在犹太人最后一天做奴隶,当死亡天使越过每一户门口有血记号的房子的时候。

耶鲁公开课 - 旧约导论课程节选

So up to this point, before it was really established that yes, light is like a particle sometimes, there was this very strong distinction between what is light and what is matter.

所以关于这个观点，在它被真正确立之前，光有时候像粒子，在什么是光和什么是物质之间,有一个非常巨大的区别。

麻省理工公开课 - 化学原理课程节选

So we have this condition that's established in a quantity that we know how to calculate.

在种种条件下,我们得到了一个我们知道如何计算的物理量。

麻省理工公开课 - 热力学与动力学课程节选